KR100398690B1 - Sealing Structure of Metal Plate Gasket - Google Patents
Sealing Structure of Metal Plate Gasket Download PDFInfo
- Publication number
- KR100398690B1 KR100398690B1 KR10-1998-0007583A KR19980007583A KR100398690B1 KR 100398690 B1 KR100398690 B1 KR 100398690B1 KR 19980007583 A KR19980007583 A KR 19980007583A KR 100398690 B1 KR100398690 B1 KR 100398690B1
- Authority
- KR
- South Korea
- Prior art keywords
- sealing
- gasket
- contact surface
- members
- metal plate
- Prior art date
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 83
- 239000002184 metal Substances 0.000 claims abstract description 64
- 239000011324 bead Substances 0.000 claims description 20
- 239000012530 fluid Substances 0.000 claims description 18
- 238000002485 combustion reaction Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
- F16J15/08—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with exclusively metal packing
- F16J15/0887—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with exclusively metal packing the sealing effect being obtained by elastic deformation of the packing
- F16J15/0893—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with exclusively metal packing the sealing effect being obtained by elastic deformation of the packing the packing having a hollow profile
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
- F16J15/08—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with exclusively metal packing
- F16J15/0818—Flat gaskets
- F16J15/0825—Flat gaskets laminated
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F11/00—Arrangements of sealings in combustion engines
- F02F11/002—Arrangements of sealings in combustion engines involving cylinder heads
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
- F16J15/08—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with exclusively metal packing
- F16J15/0806—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with exclusively metal packing characterised by material or surface treatment
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
- F16J15/08—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with exclusively metal packing
- F16J15/0818—Flat gaskets
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
- F16J15/08—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with exclusively metal packing
- F16J15/0818—Flat gaskets
- F16J2015/0843—Flat gaskets with an edge portion folded over the plate itself
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S277/00—Seal for a joint or juncture
- Y10S277/935—Seal made of a particular material
- Y10S277/939—Containing metal
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Gasket Seals (AREA)
Abstract
(과제) 개스킷의 접촉부분을 복수의 면이 동시에 닿는 면접촉 내지는 이에 가까운 접촉으로 하여 밀봉성을 강화한 금속판 개스킷을 제공한다.(Problem) The metal plate gasket which reinforced the sealing property is provided by making the contact part of a gasket into the surface contact which touches several surfaces simultaneously or close to it.
(해결수단) 두개의 부재의 피밀봉면의 단부를 각각 모서리를 죽여 대략 V형으로 넓힌 제 1의 접촉면(12a, 12b)을 형성함과 동시에, 금속박판 개스킷의 단부에 상기 제 1의 접촉면(12a, 12b)에 걸릴 수 있는 크기로, 단면이 통상(筒狀)으로 탄력이 있는 밀봉부(14)를 형성하여, 이 밀봉부(14)를 상기 V형의 제 1의 접촉면(12a, 12b)에 걸어 맞추어 누르도록 구성한 금속판 개스킷의 밀봉구조.(Solution means) The first contact surfaces 12a and 12b are formed by killing the edges of the two sealing members of the two members, respectively, to form an approximately V shape, and at the ends of the metal sheet gaskets, the first contact surface ( 12A and 12B, the sealing portion 14 having a generally elastic cross section is formed, and the sealing portion 14 is formed on the first contact surfaces 12a and 12b of the V-shape. The sealing structure of the gasket of the metal plate configured to press in conformity with
Description
본 발명은 주로, 내연기관의 실린더헤드 개스킷, 배기매니폴드 개스킷, 흡기매니폴드 개스킷 등의두개의부재의 사이에 개재되는 금속판 개스킷의 밀봉구조에 관한 것이며, 특히 금속단판 개스킷 또는 금속 이중 판 개스킷에 적합한 밀봉구조를 제공하는 것이다.The present invention mainly relates to a sealing structure of a metal plate gasket interposed between two members such as a cylinder head gasket, an exhaust manifold gasket and an intake manifold gasket of an internal combustion engine, and in particular, to a metal end plate gasket or a metal double plate gasket. It is to provide a suitable sealing structure.
실린더보디와 실린더헤드의 사이나 흡기공과 흡기매니폴드의 사이, 또는 배기공과 배기배니폴드의 사이 등과 같이, 내연기관의 부재간의 접합부에 개스킷, 특히 금속판 개스킷이 사용되고 있다.Gaskets, in particular metal plate gaskets, are used at the junction between the members of the internal combustion engine, such as between the cylinder body and the cylinder head, between the intake hole and the intake manifold, or between the exhaust hole and the exhaust manifold.
이 금속판 개스킷은 통상은복수 장의 얇은 금속판을 적층한 금속판 적층형 개스킷이지만, 1장의 금속판을 사용한 단판 개스킷도 사용되고 있다. 이 금속판 개스킷은 그 자체로서는 밀봉성이 충분하지 않기 때문에 밀봉면에 피밀봉부분을 에워싸 비드를 형성하거나, 오일구멍이나 냉각수구멍 또는 연료실구멍의 둘레에 비드의 그로밋을 병용하여 밀봉성을 강화하는 방법이 채용되고 있다.This metal plate gasket is usually a metal plate laminated gasket in which a plurality of thin metal plates are laminated, but a single plate gasket using one metal plate is also used. This metal plate gasket does not have sufficient sealing property by itself, so that a bead is formed by enclosing the sealed part on the sealing surface, or the grommet of the bead is used around the oil hole, the cooling water hole, or the fuel chamber hole to enhance the sealing property. The method to do is adopted.
금속적층형 개스킷의 경우, 비드판과 중간판이나 표면판을 겹치어 내연기관의 피밀봉면을 가진 두 부재의 표면의 요철의 정도나 장소에 맞추어 밀봉성을 부여하는 방법이 채용되고, 이들 부재를 조합한 구조는 다수 제공되고 있다. 또, 작은 면적의 피밀봉부분에는 단판 개스킷이 사용되고 있는데, 이 경우도마찬가지로밀봉하여야 할 장소에 비드나 그로밋을 마련하는 방법이 행해지고 있다.In the case of the metal laminated gasket, a method is adopted in which a bead plate, an intermediate plate, and a surface plate are overlapped to impart sealing properties to the degree or unevenness of the surface of two members having a sealed surface of an internal combustion engine. Many combination structures are provided. Moreover, although a single plate gasket is used for a small area to be sealed, in this case as well, a method of arranging beads and grommet at a place to be sealed is performed.
이들 금속판 개스킷에 형성되고 있는 그로밋은, 단면이 반원호(半圓弧) 내지는 산형(山形)으로 형성돼 있어, 이들 비드판과 표면판, 또는 비드판과 내연기관의 부재의 표면과의 사이의 밀봉은 비드 꼭대기면과 상대의 평면과의 접촉이어서, 이 비드가 눌리어 변형된 상태에서도 그 꼭대기면과 평면은 선접촉밖에 되지 않는 것이다. 이 선접촉의 폭은 금속판 개스킷의 재료나 밀봉면의 경도, 그리고 이 비드에 가해지는 누름힘의 다름에 의해 접촉하는 선의 폭이 약간은 변화하나, 그 어느 것이건 종래의 금속판 개스킷의 밀봉수단은 선접촉의 범위의 영역을 벗어나지 않는 소 범위의 것이다. 또, 두개의 부재의 사이에 개재된 금속판 개스킷이 선접촉상태로 눌리면 높은 응력이 국부적으로 발생하여 상기 부재에 손상을 줌과 동시에, 두개의 부재가 열팽창이나 응력에 의해서 상대적인 위치를 옮기면 응력이 변화하여 밀봉성이 저하한다는 문제가 있다.The grommet formed in these metal plate gaskets is formed in semicircle arc or mountain shape in cross section, and between these bead plates and a surface plate, or between the bead plate and the surface of the member of an internal combustion engine, The sealing is the contact between the top surface of the bead and the opposing plane so that the top surface and the plane are only in line contact even when the beads are depressed and deformed. The width of the line contact varies slightly depending on the material of the metal plate gasket, the hardness of the sealing surface, and the pressing force applied to the bead, but any of the conventional means for sealing the metal plate gasket It is a small range that does not deviate from the range of the line contact. In addition, when the metal plate gasket interposed between the two members is pressed in a line contact state, high stress is locally generated to damage the member, and the stress changes when the two members move relative positions by thermal expansion or stress. There is a problem that the sealing property is lowered.
실제문제로서 금속판 적층형 개스킷의 경우의 금속판의 두께는 0.2∼0.4 mm의 것이 사용되고, 이에 형성되는 비드의 높이는 0.15∼0.5 mm, 폭은 0.3∼2.0 mm의 극히 섬세한 구조의 것이어서, 이 것이 선접촉한 경우의 접촉폭은 0.2∼0.5 mm의 극히 작은 범위에 한정된다. 따라서, 내연기관의 부재가 변형하거나, 가압·가열·냉각의 반복응력을 받아 접촉폭이 점차 변하며, 그에 따라 밀봉성도 열화되게 된다.As a practical problem, in the case of a metal plate laminated gasket, a metal plate having a thickness of 0.2 to 0.4 mm is used, and the beads formed thereon are extremely delicate structures having a height of 0.15 to 0.5 mm and a width of 0.3 to 2.0 mm. The contact width in the case is limited to an extremely small range of 0.2 to 0.5 mm. Therefore, the contact width gradually changes due to the deformation of the internal combustion engine or the repeated stress of pressurization, heating, and cooling, thereby degrading the sealing property.
금속박판을 1장 사용한 단판 개스킷의 경우는, 금속판 적층형 개스킷에 비해 다소 두꺼운 금속판을 사용하고 있기 때문에 비드의 강도도 그에 따라서 세고, 밀봉성도 강화돼 있다. 그러나, 이 개스킷의 경우도 밀봉면의 접촉은 선접촉 내지는 이에 가까운 것이어서, 접촉상태가 변화하면 간단히 밀봉성이 열화한다고 하는 문제가 있다.In the case of a single-plate gasket using one sheet of metal thin plate, since the metal plate is somewhat thicker than the metal plate laminated gasket, the strength of the bead is increased accordingly and the sealing property is enhanced. However, even in the case of this gasket, the contact of the sealing surface is a line contact or a close contact therewith, and thus there is a problem that the sealing property deteriorates simply when the contact state changes.
본 발명은, 상기 종래의 금속판을 사용한 개스킷의 밀봉상태가 폭이 좁은 선접촉상태라는 문제를 해결함을 목적으로 하는 것으로, 그 목적으로 하는 개스킷의 접촉부분을 복수의 면이 동시에 닿는 면접촉 내지는 이에 가까운 상태, 즉 점접촉보다 넓고, 또 정밀한 면접촉으로서 밀봉성을 강화한 금속판 개스킷을 제공함에 있다.The present invention aims to solve the problem that the sealing state of the gasket using the conventional metal plate is a narrow line contact state, and the surface contact or the like where a plurality of surfaces simultaneously touch the contact portion of the gasket as the object. It is an object to provide a metal plate gasket which is closer to this state, that is, wider than the point contact, and has improved sealing property as precise surface contact.
도 1은 금속판 개스킷을 사용한 내연기관의 부재의 분해사시도이다.1 is an exploded perspective view of a member of an internal combustion engine using a metal plate gasket.
도 2는 밀봉구조의 단면도이다.2 is a cross-sectional view of the sealing structure.
도 3은 (A) 누르기 전의 밀봉구조의 단면도를, (B) 누른 후의 밀봉구조의 단면도를 각각 보이고 있다.FIG. 3: shows sectional drawing of the sealing structure before pressing (A), and sectional drawing of the sealing structure after pressing (B), respectively.
도 4는 변형 원상(圓狀)의 밀봉부를 가진 밀봉구조의 단면도이다.4 is a cross-sectional view of a sealing structure having a deformed circular sealing part.
도 5은 이중판 금속 개스킷으로 형성한 밀봉부를 사용한 밀봉구조의 단면도이다.5 is a cross-sectional view of a sealing structure using a sealing portion formed of a double plate metal gasket.
* 도면의주요부분에대한부호의설명* Explanation of symbols on the main parts of the drawing
1: 내연기관 2: 배기공1: internal combustion engine 2: exhaust hole
3: 배기부(排氣部) 자리 4: 금속 개스킷3: exhaust part seat 4: metal gasket
5: 배기관 6: 플랜지5: exhaust pipe 6: flange
7: 볼트구멍 7a: 나사부7: bolt hole 7a: threaded portion
10, 11: 내연기관의 부재 12a, 12b: 제 1의 접촉면10, 11: members 12a and 12b of the internal combustion engine: first contact surface
13: 금속 단판(單板) 개스킷 14a: 밀봉면13: metal end plate gasket 14a: sealing surface
14: 밀봉부 14c: 밀봉부14: seal 14c: seal
16: 금속판 개스킷16: metal plate gasket
상기 목적을 달성하기 위한 본 발명에 관계되는 금속판 개스킷의 밀봉구조는 다음과 같이 구성되어 있다.The sealing structure of the metal plate gasket which concerns on this invention for achieving the said objective is comprised as follows.
(A) 두개의 부재의 피밀봉면의유체구멍의 주위의 단부를각각 모서리를 죽여 대략 V형으로 넓힌 제 1의 접촉면을형성한 피 밀봉면을 밀봉하는 금속 개스킷으로서,(A) A metal gasket for sealing a to-be-sealed surface that forms a first contact surface in which the edges around the fluid holes of the to-be-sealed surfaces of the two members are each widened to a substantially V-shape by corners.
한 장의 금속박판 개스킷의 유체구멍의 주위의 단부를 구부려서 그 단부를 두장이 겹치게 형성하고, 상기 제 1의 접촉면에 걸릴 수 있는 크기의 단면이 동상(筒狀)으로 탄력이 있는 밀봉부를 형성하여, 상기 두개의 부재사이에서 상기 금속박판 개스킷을 누를 때에, 상기 밀봉부가 상기 제 1의 접촉면에 걸려맞추어져서 2면으로 누루도록 구성되어 있다. Bend the end of the periphery of the fluid hole of a sheet of metal sheet gasket to form two ends thereof, and form a seal in which the cross section of a size that can be caught on the first contact surface is elastic in phase. When the metal thin plate gasket is pressed between the two members, the sealing portion is engaged with the first contact surface and is pressed in two surfaces .
(B) 두개의 부재의 피 밀봉면의유체구멍의 주위의 단부를 각각 모서리를 죽여 대략 V형으로 넓혀진 제 1의 접촉면을 형성한 피 밀봉실을 밀봉하는 금속 개스킷으로서,(B) A metal gasket for sealing an end portion around a fluid hole of a to-be-sealed surface of two members , each of which seals a to-be-sealed chamber, each of which forms a first contact surface widened to a substantially V shape , wherein
상판과 하판으로 이루어지는 금속박판에 개구된 유체구멍의 주위를 연결하고, 이 유체구멍의 주의의 단부를 구부려서 단면이 통상(筒狀)으로 탄력이 있는 밀봉부를 형성하며, 또한 이 밀봉부의 바깥 지름 부분에 동일방향으로 굽혀진 비드를 겹치도록 형성하고, 상기 두개의 부재의 사이에 상기 2장의 한쌍의 금속박판이 눌러질 때, 상기 통상(筒狀)의 밀봉부가 상기 대략 V형의 제1의 접촉면에 걸어 맞추어 눌러지고, 또한 겹쳐진 비드가 두개의 부재 사이에 눌러져서 위치 결정되고, 상기 밀봉부와 제 1의 접촉면의 걸려 맞춤을 확실히 행하도록 구성되어 있다. The periphery of the fluid hole opened to the metal plate which consists of an upper board and a lower board is connected, and the edge part of the fluid hole bent is bent, and the cross section is normally elastic, and the outer diameter part of this sealing part is also formed. The bent bent in the same direction to overlap each other, and when the two pairs of metal thin plates are pressed between the two members, the normal sealing portion is the first V-shaped contact surface. The bead pushed in, and the overlapping beads are pressed and positioned between the two members, are configured to securely engage the sealing portion and the first contact surface .
두개의 부재의 피밀봉면의 쌍방에 대략 V형으로 넓힌 홈으로 이루어지는 제 2의 접촉면을 형성함과 동시에, 금속박판 개스킷의 단부에 상기 제 2의 접촉면에 걸릴 수 있는 크기로, 단면이 통상으로 탄력이 있는 밀봉부를 형성하여, 이 밀봉부를 상기 제 2의 접촉면에 걸어 맞추어 누르도록 구성돼 있다.While forming a second contact surface consisting of a groove widened in a substantially V-shape on both of the sealed surfaces of the two members, the end face of the metal sheet gasket is large enough to be caught by the second contact surface. It is comprised so that an elastic sealing part may be formed and this sealing part may be engaged with the said 2nd contact surface, and to press.
두개의 부재의 피밀봉면의 쌍방에 대략 V형으로 넓힌 홈으로 이루어지는 제 3의 접촉면을 형성함과 동시에, 금속박판 개스킷의 단부에 상기 제 3의 접촉면에 걸릴 수 있는 크기로, 단면이 통상으로 탄력이 있는 밀봉부를 형성하여, 이 밀봉부를 상기 제 3의 접촉면에 걸어 맞추어 누르도록 구성돼 있다.While forming a third contact surface consisting of a groove widened in a substantially V-shape on both of the sealed surfaces of the two members, the end face of the metal sheet gasket is large enough to be caught by the third contact surface. It is comprised so that an elastic seal | sticker may be formed and this seal | sticker engages and presses against the said 3rd contact surface.
두개의 부재의 피밀봉면의 단부를 각각 모서리를 죽여 대략 V형으로 넓힌 홈으로 이루어지는 제 1의 접촉면을 형성함과 동시에, 상판과 하판으로 이루어지는 이중구조의 금속박판의 단부의 절곡부에 상기 제 1의 접촉면에 걸릴 수 있는 크기로, 단면이 통상으로 탄력이 있는 밀봉부를 형성하여, 이 밀봉부를 상기 제 1의 접촉면에 걸어 맞추어 누르도록 구성돼 있다.The first contact surface consisting of the grooves of which the edges of the two sealing members of each of the two members are roughened to form a V-shaped groove is formed at the same time, and at the bent portion of the end of the double-walled metal sheet composed of the upper plate and the lower plate. It is a magnitude | size which can be caught by the contact surface of 1, Comprising: It is comprised so that the sealing part with a cross section may be normally elastic, and it engages and presses this sealing part with the said 1st contact surface.
상기와 같이 금속박판 개스킷의유체구멍의 주위의 단부(각부)를 포위하도록단부가 통상으로 탄력이 있는 밀봉부를 형성하고,이 밀봉부를 2개의 피 밀봉면의 유체구멍의 주위의 단부를 모서리를 죽여V형으로 넓힌 2면에 맞대어 누르도록 구성하고 있어, 이 단면이 원통상의 밀봉부는 흡사 V블록의2면에 지지된 것과 같은 상태로 되어, 2면에 면접촉하여 그의 밀봉부의 위치를 자동적으로 유지하면서꽉 누르게 함으로써양호한 밀봉성을 발휘할 수가 있다.As described above, a seal is formed in which the end portion is normally elastic so as to surround an end portion (angular portion ) around the fluid hole of the metal thin plate gasket, and the edge is cut off at the edges around the fluid hole of the two to-be-sealed surfaces. It is configured to press against two faces widened by the V-shape. The end face is in the same state as the cylindrical sealing part supported on two surfaces of the V-block, and is in surface contact with the two surfaces to automatically position the sealing part. By pressing firmly while holding, good sealing property can be exhibited.
또한, 상기와 같이 단면이 원통상의 밀봉부와 그 바깥 지름쪽에 위치하는 2 중구조의 비드를 조합시킨 2장 겹쳐진 금속킷의 가스킷에 있어서는 이 비드에 의해 밀봉효과를 발휘하면서 개스킷이 위치결정을 행하면서 상기 단면이 원통상의 밀봉부에 의한 밀봉효과를 발휘하는 것이 가능하다.In addition, in the gaskets of two-ply metal kits in which a cross section is formed by combining a cylindrical sealing portion and a double structure bead positioned at an outer diameter thereof, the gasket performs positioning while exerting a sealing effect by the beads. The cross section can exhibit the sealing effect by the cylindrical sealing portion.
다음은 도면을 참조하여 본 발명의 실시의 형태를 설명한다.EMBODIMENT OF THE INVENTION Next, embodiment of this invention is described with reference to drawings.
도 1은 내연기관 (1)의 실린더블록에 형성한 배기공 (2) 부분의 분해도로서, 배기공 (2)의 주위에 형성한 배기부 자리 (3)에 금속 개스킷 (4)을 개재시키어 배기관 (5)의 플랜지 (6)를 맞추어, 도시하지 않은 볼트를 볼트구멍 (7)에 끼워서 배기부 자리 (3)에 형성한 나사부 (7a)에 나사틀어 죄도록 구성하고 있다.1 is an exploded view of a part of the exhaust hole 2 formed in the cylinder block of the internal combustion engine 1, and the exhaust pipe is provided with the metal gasket 4 interposed between the exhaust part seats 3 formed around the exhaust hole 2. The flange 6 of (5) is fitted, and the bolt (not shown) is inserted in the bolt hole 7, and it is comprised so that it may screw into the screw part 7a formed in the exhaust part seat 3.
상기와 같이 구성된 밀봉부 S에 금속판 개스킷 (4)를 개재시킬 필요가 있는데, 이 금속판 개스킷 (4)은 단판 개스킷 내지는 이에 가까운, 장수가 적은 것이 사용되고 있다.Although it is necessary to interpose the metal plate gasket 4 in the sealing part S comprised as mentioned above, the metal plate gasket 4 is a single plate gasket or a thing with a long life close to it is used.
도 2는 제 1의 실시의 형태에 관계되는 구조를 보이는 요부확대도로서, 예를 들어 실린더블록 등의 내연기관의 부재 (10)와, 배기매니폴드와 같은 부재 (11)사이의 피밀봉면을 밀봉하는 구조를 보이고 있다. 대면하는 두개의 부재 (10과 11)의 단부는 모서리를 죽여 제 1의 접촉면 (12a와 12b)이 형성돼 있고, 이 접촉면(12a와 12b)의 사이에 60°∼120°정도의 각도가 형성돼 있다. 그리고 금속단판 개스킷 (13)의 단부에 단면이 원통상인 밀봉부 (14)가 형성돼 있다.Fig. 2 is an enlarged view of a main portion showing a structure according to the first embodiment, for example, a sealed surface between a member 10 of an internal combustion engine such as a cylinder block and a member 11 such as an exhaust manifold. It shows the structure of sealing. The ends of the two members 10 and 11 facing each other form corners to form first contact surfaces 12a and 12b, and an angle of about 60 ° to 120 ° is formed between the contact surfaces 12a and 12b. It is. And the sealing part 14 which has a cylindrical cross section is formed in the edge part of the metal end plate gasket 13.
그리하여 두개의 부재 (10과 11)의 사이를 볼트죔에 의해 양 부재 (10, 11)의 사이에서 상기 제 1의 접촉면 (12a와 12b)의 접촉부 (a, b)가 상기 밀봉부 (14)를 양면에서 맞닿아 누르게 된다.Thus, the contact portions a and b of the first contact surfaces 12a and 12b are formed between the two members 10 and 11 by bolting between the two members 10 and 11. Is pressed against both sides.
제 1의 접촉면 (12a와 12b)이 이루는 각도는 60°∼120°의 범위로 형성돼 있고, 여기에 원통상의 밀봉부 (14)가 도 3 (A)에 보이는 상태로부터 도 (B)와 같이 접촉부 (a, b)에 닿아 눌리게 된다.The angle which the 1st contact surface 12a and 12b makes is formed in the range of 60 degrees-120 degrees, and the cylindrical sealing part 14 shows here (B) from the state shown in FIG. The contact parts (a, b) are pressed together.
이 도 3 (B)의 상태를 관찰하면, 흡사 V블록에 환봉을 두 면으로 안정시킨 상태로 지지한 것과 같은 상태를 나타내고 있다. 그리하여 이 밀봉부 (14)가 접촉부 (a, b)와 접촉한 부분은 변형하여 일부의 밀봉면 (14a, 14b)가 평탄화 하여, 선접촉으로부터 면접촉으로 변화됨과 동시에, 원통상의 밀봉부 (14)에 탄력을 남긴 상태로 양 부재 (10, 11)의 죄기를 완료하여 양호한 밀봉성을 발휘한다. 그리고, 상기 도 3 (B)의 상태를 형성하기 위하여는 부재 (10, 11)에 모서리를 죽여 형성한 접촉부 (a, b)의 위치에, 원통상의 밀봉부 (14)가 끼이어 눌려 상기 밀봉부 (14)의 일부가 변형되어 눈물방울꼴이 되는 치수로 하지 않으면 아니 된다.Observing this state of FIG. 3 (B) shows a state in which the round bar is supported on a similar V block in a state in which two sides are stabilized. Thus, the portion where the sealing portion 14 is in contact with the contact portions a and b is deformed so that some of the sealing surfaces 14a and 14b are flattened and changed from line contact to surface contact, and at the same time, the cylindrical sealing portion ( 14, the clamping of both members 10 and 11 is completed in the state which left elasticity, and it exhibits the favorable sealing property. And in order to form the said state of FIG. 3 (B), the cylindrical sealing part 14 is pinched by the position of the contact parts a and b formed by killing the edge in the member 10 and 11, and the said A part of the sealing part 14 needs to be deformed and made into a teardrop shape.
도 4는 제 1의 실시의 형태의 금속판 개스킷의 밀봉구조의 변형을 보이는 것으로, 밀봉부 (14c)는 단면이 세로 긴 타원형으로 형성돼 있어, 부재 (10, 11)의 접촉부 (a, b)에 밀봉면 (14a, 14b)이 눌리면 타원형의 일부가 변형하여 접촉부(a, b)에 면접촉하도록 치수관계를 설계할 필요가 있다.4 shows a deformation of the sealing structure of the metal plate gasket of the first embodiment, wherein the sealing portion 14c is formed in an elliptical shape having a longitudinal cross section, and the contact portions a and b of the members 10 and 11 are shown. When the sealing surfaces 14a and 14b are pressed, it is necessary to design a dimensional relationship so that a part of the elliptical shape deforms and is in surface contact with the contact portions a and b.
도 5는2장의 금속박판을 겹쳐서 구성한금속판 개스킷 (16)을 보이는 것으로, 금속박판 (16a, 16b)에개구한 유체 구멍의 주위의단부끼리를 연결한 것으로서, 연결한 단부을단면이 원통상으로 구부려서원통상의 밀봉부 (14)를 형성함과 동시에 중간부(밀봉부(14)의 바깥 지름 부분)에 같은 방향에 향해 돌출하도록 비드(17a, 17b)를 이중으로 형성하고 있다. 이 비드 (17a, 17b)는 금속판 개스킷 (16)의 위치어김을 방지하기 위한 위치 고정용 이며, 금속박판 (16a, 16b)의유체구멍의 주위에연결된 단부에 형성한 원통상의 밀봉부 (14)를2개의부재 (10과 11)의 단부을각각 모서리를 죽여형성한 도 2의 경우와 같은 모양의 제 1의 접촉면(12a, 12b)에 접촉하게 배치한 것이다. 양 부재 (10, 11)를 죄어나가면 비드(17a, 17b)가 눌리어 위치정해지며, 그리고V형으로 대면하는상기 접촉면 (12a, 12b)에 의해서 밀봉부 (14)를 상하 양면에서 눌러서 이 접촉면 (12a, 12b)와 접촉하는밀봉면(14)이면접촉으로 되어 양호한 밀봉을 행한다.Fig. 5 shows a metal plate gasket 16 formed by stacking two sheets of metal thin plates, connecting end portions around the fluid holes opened in the metal thin plates 16a and 16b, and bending the connected ends in a cylindrical shape. At the same time as forming the cylindrical sealing part 14, the beads 17a and 17b are formed in double so that it may protrude toward the same direction in the middle part (outer diameter part of the sealing part 14) . The beads 17a and 17b are for fixing the position for preventing the positional shift of the metal plate gasket 16, and the cylindrical seal 14 formed at the end connected around the fluid hole of the metal plate 16a, 16b. ) Is placed in contact with the first contact surfaces 12a and 12b having the same shape as in the case of FIG. 2 formed by killing the edges of the two members 10 and 11, respectively . When both members 10 and 11 are clamped, the beads 17a and 17b are pressed and positioned, and the contact surface 12a, 12b is pressed by the contact surfaces 12a and 12b facing in the V-shape so that this contact surface is pressed. The sealing surface 14 which contacts 12a, 12b becomes surface contact, and favorable sealing is performed.
본 발명에 관계되는 금속판 개스킷의 밀봉구조는,상기실시의 형태에서 상세히 설명한 바와 같이, (가)두개의유체구멍의 주위의 단부에 모서리를 죽여 형성한 단면 V형의 접촉면을 2장의 피 밀봉부재측에 형성하여 둔다. 그래서 금속판 개스킷의 유체구멍의 주위의 단부에 개략 원통상의 밀봉부를 형성하고 이 밀봉부을상기 2개의 접촉면에 맞닿도록 구성하여 두고 2개의 피 밀봉부재를 꽉 졸라진 경우에 상기 접촉면에 상기 밀봉부를 받아들어 밀봉하는 것이다. In the sealing structure of the metal plate gasket according to the present invention, as described in detail in the above embodiment, (A) two pieces of sealing members are formed in a contact surface having a V-shaped cross section formed by killing a corner at an end portion around two fluid holes. Formed on the side. Thus, a substantially cylindrical seal is formed at the end of the fluid hole of the metal plate gasket, and the seal is configured to abut on the two contact surfaces, and when the two to-be-sealed members are tightly received, the seal is received on the contact surface. To seal.
따라서, 대략 원통상인 밀봉부는2개의 피 밀봉부재의 사이에 금속판 개스킷이 눌러지면 이 2개의 부재의 유체 구멍의 주위에 형성된 V형의 접촉면에 눌러지게 되어 이 원통상의 밀봉부는 변형하면서상기 접촉면에 대하여 면접촉으로 되어, 누름힘에 비해 큰 밀봉효과를 얻을 수가 있다.Therefore, the substantially cylindrical sealing portion is pressed against the V-shaped contact surface formed around the fluid holes of the two members when the metal plate gasket is pressed between the two sealing members, and the cylindrical sealing portion deforms the contact surface. In surface contact with, the sealing effect can be obtained in comparison with the pressing force.
본 발명은두개의 피 밀봉 부재의 쌍방의 유체구멍의 주위에 모서리를 죽여 대면하는 단면 V평의 접촉면을 형성하고이 접촉면에 대하여 금속판 개스킷의 단부에 형성한 단면이 대략 원통상인, 밀봉부를 맞대어 두개의 부재의 죔과 동시에 누르기 때문에, 두개의 부재의 사이에서 상기 밀봉부는 단면변형되면서 접촉면에 대하여 면접촉하게 된다.The present invention forms a contact surface of a cross-section V-plane that kills an edge around both fluid holes of two to-be-sealed members to face each other , and the two seal portions face each other in a substantially cylindrical cross-section formed at the end of the metal plate gasket. Since pressing simultaneously with the fastening of the member of the, the sealing portion between the two members is in surface contact with the contact surface while the cross-sectional deformation.
적은 폭이지만 면접촉하면, 부재와 금속판 개스킷과의 사이에 어긋남이 있어도 확실하게 밀봉성을 유지할 수가 있다. 또, 단면이 반원호상인 비드가 접촉면에 접촉하여 눌리는 경우에 비해 응력이 원활하여 국부적으로 세지는 것을 방지할 수 있음과 동시에, 비교적 죔힘이 작아도 안정된 밀봉성을 발휘할 수가 있다.When it is small but surface-contacts, even if there exists a deviation between a member and a metal plate gasket, sealing property can be reliably maintained. Moreover, compared with the case where the bead having a semicircular arc cross section is pressed in contact with the contact surface, the stress is smooth and can be prevented from being localized, and stable sealing can be exhibited even if the clamping is relatively small.
Claims (2)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP??9-64977 | 1997-03-18 | ||
| JP9064977A JP2949424B2 (en) | 1997-03-18 | 1997-03-18 | Metal plate gasket seal structure |
| JP??8-64977 | 1997-03-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR19980080001A KR19980080001A (en) | 1998-11-25 |
| KR100398690B1 true KR100398690B1 (en) | 2003-12-24 |
Family
ID=13273630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR10-1998-0007583A KR100398690B1 (en) | 1997-03-18 | 1998-03-07 | Sealing Structure of Metal Plate Gasket |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US6045139A (en) |
| EP (1) | EP0866244B1 (en) |
| JP (1) | JP2949424B2 (en) |
| KR (1) | KR100398690B1 (en) |
| DE (1) | DE69814715T2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101210861B1 (en) * | 2012-01-17 | 2012-12-11 | 오두만 | Stainless steel gascket manufacturing method for flange connecting of high temperature high pressure gases flowing in pipe line |
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| JP3756713B2 (en) * | 1999-10-20 | 2006-03-15 | 日本リークレス工業株式会社 | Metal gasket for cylinder head |
| JP3304326B2 (en) * | 1999-12-27 | 2002-07-22 | 石川ガスケット株式会社 | Engine seal structure |
| DE10354512A1 (en) * | 2003-11-21 | 2005-06-09 | Daimlerchrysler Ag | Head gasket for IC engine has an elastic sealing profile around each cylinder which is deformed by the cylinder pressure to increase the sealing effect |
| DE102004054709B4 (en) * | 2004-11-12 | 2007-11-15 | Elringklinger Ag | Cylinder head gasket |
| JP4921503B2 (en) * | 2009-03-03 | 2012-04-25 | 石川ガスケット株式会社 | Metal gasket |
| JP5708931B2 (en) * | 2011-07-08 | 2015-04-30 | Nok株式会社 | Electromagnetic shielding gasket |
| WO2017099206A1 (en) * | 2015-12-11 | 2017-06-15 | Nok株式会社 | Metal gasket |
| CN107448603A (en) * | 2017-09-03 | 2017-12-08 | 宁波东湖液压传动有限公司 | A kind of piston rod |
| CN107575574A (en) * | 2017-09-03 | 2018-01-12 | 宁波东湖液压传动有限公司 | Plunger |
| CN107339428A (en) * | 2017-09-03 | 2017-11-10 | 宁波东湖液压传动有限公司 | A kind of sealing structure |
| CN107687459A (en) * | 2017-09-03 | 2018-02-13 | 宁波东湖液压传动有限公司 | Piston rod |
| CN107366658A (en) * | 2017-09-03 | 2017-11-21 | 宁波东湖液压传动有限公司 | A kind of plunger |
| RU2704709C1 (en) * | 2018-10-05 | 2019-10-30 | Акционерное общество ""Объединенная двигателестроительная корпорация" (АО "ОДК") | Method of making double-layer annular heat-resistant seal of gas turbine engine units |
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| JPS5557554U (en) * | 1978-10-17 | 1980-04-18 | ||
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| JPH0614624U (en) * | 1992-07-30 | 1994-02-25 | 日本ラインツ株式会社 | Metal cylinder head gasket for engines with liner |
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| US3180662A (en) * | 1958-07-10 | 1965-04-27 | Flexonics Corp | Tube coupling having a springy metallic gasket |
| US4452462A (en) * | 1983-10-06 | 1984-06-05 | Gray Tool Company | Temperature resistant joint packing with E-shaped spring seal |
| US4976445A (en) * | 1989-07-05 | 1990-12-11 | Ishikawa Gasket Co., Ltd. | Steel laminate gasket |
| US5221097A (en) * | 1991-12-10 | 1993-06-22 | Ishikawa Gasket Co., Ltd. | Sealing system using metal gasket with projection bead |
| US5275139A (en) * | 1993-02-09 | 1994-01-04 | Fel-Pro Incorporated | Method of sealing a high performance automotive engine and engine assembly |
| KR980008780U (en) * | 1996-07-08 | 1998-04-30 | 김영귀 | Structure of airtightness of cylinder head |
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- 1997-03-18 JP JP9064977A patent/JP2949424B2/en not_active Expired - Fee Related
-
1998
- 1998-03-07 KR KR10-1998-0007583A patent/KR100398690B1/en not_active IP Right Cessation
- 1998-03-09 US US09/038,702 patent/US6045139A/en not_active Expired - Fee Related
- 1998-03-17 DE DE69814715T patent/DE69814715T2/en not_active Expired - Fee Related
- 1998-03-17 EP EP98104790A patent/EP0866244B1/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5557554U (en) * | 1978-10-17 | 1980-04-18 | ||
| JPH0372155U (en) * | 1989-11-17 | 1991-07-22 | ||
| JPH0614624U (en) * | 1992-07-30 | 1994-02-25 | 日本ラインツ株式会社 | Metal cylinder head gasket for engines with liner |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101210861B1 (en) * | 2012-01-17 | 2012-12-11 | 오두만 | Stainless steel gascket manufacturing method for flange connecting of high temperature high pressure gases flowing in pipe line |
Also Published As
| Publication number | Publication date |
|---|---|
| KR19980080001A (en) | 1998-11-25 |
| EP0866244A2 (en) | 1998-09-23 |
| EP0866244A3 (en) | 1999-10-13 |
| US6045139A (en) | 2000-04-04 |
| JPH10252892A (en) | 1998-09-22 |
| EP0866244B1 (en) | 2003-05-21 |
| JP2949424B2 (en) | 1999-09-13 |
| DE69814715D1 (en) | 2003-06-26 |
| DE69814715T2 (en) | 2004-04-08 |
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